Nerve cells having one dendrite and one axon is called

The correct option is B

Bipolar

The correct option is B.

Explanation of the correct option:

1. Bipolar neurons have a dendrite at one end and an axon at another end.
2. They are the central neurons of the retina which carry light-elicited signals from photoreceptors.

Explanation of the incorrect options:

Option A:

The unipolar neuron is a single extension where the cell divides into two branches of axons.

Option C:

1. Multipolar neurons are the most common types of neurons in the CNS.
2. They possess a single axon with several symmetrically radiating dendrites.

Final answer: Nerve cells having one dendrite and one axon is called bipolar.